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493288228 = 22137900161
BaseRepresentation
bin11101011001101…
…111101100100100
31021101012122020101
4131121233230210
52002240210403
6120540513444
715136611046
oct3531575444
91241178211
10493288228
112334a2824
1211924b884
137b275134
1449729a96
152d48e71d
hex1d66fb24

493288228 has 12 divisors (see below), whose sum is σ = 869556492. Its totient is φ = 244843520.

The previous prime is 493288223. The next prime is 493288247. The reversal of 493288228 is 822882394.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 400320064 + 92968164 = 20008^2 + 9642^2 .

It is not an unprimeable number, because it can be changed into a prime (493288223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449533 + ... + 450628.

It is an arithmetic number, because the mean of its divisors is an integer number (72463041).

Almost surely, 2493288228 is an apocalyptic number.

It is an amenable number.

493288228 is a deficient number, since it is larger than the sum of its proper divisors (376268264).

493288228 is a wasteful number, since it uses less digits than its factorization.

493288228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900302 (or 900300 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 493288228 is about 22210.0929309177. The cubic root of 493288228 is about 790.1330908601.

The spelling of 493288228 in words is "four hundred ninety-three million, two hundred eighty-eight thousand, two hundred twenty-eight".

Divisors: 1 2 4 137 274 548 900161 1800322 3600644 123322057 246644114 493288228